Standardized in vitro analysis of the degradability of hyaluronic acid fillers by hyaluronidase

Bettina Alexandra Buhren, Holger Schrumpf, Edwin Bölke, Kai Kammers, Peter Arne Gerber

Research output: Contribution to journalArticle

Abstract

Background: Hyaluronidase is a hyaluronic acid (HA) metabolizing enzyme, which is approved as an adjuvant for infiltration anesthesia. The "off-label" use of hyaluronidase is regarded as gold standard for the management of HA-filler-associated complications. Yet, up to date there are only few studies that have systematically assessed the degradability of different HA-fillers by hyaluronidase. Objective: To analyze the interactions of HA-fillers and hyaluronidase in a time-dependent manner using a novel standardized in vitro approach. Methods: Comparable HA-fillers, Belotero Balance Lidocaine (BEL; Merz), Emervel classic (EMV; Galderma) and Juvederm Ultra 3 (JUV; Allergan), were incubated with a fluorescent dye and bovine hyaluronidase (HYAL; Hylase "Dessau", Riemser) or control (NaCl) and monitored by time-lapse videomicroscopy. The degradation of HA-fillers was assessed as decrease in fluorescence intensity of HA-filler plus hyaluronidase vs. HA-filler plus control, quantified by computer-assisted image analysis (ImageJ). Results: Hyaluronidase showed a significant degradation of the HA-fillers BEL and EMV. Degradation was measurable at 5 h (BEL) and 7 h (EMV), respectively; significance was reached at 14 h (BEL) and 13 h (EMV). No effect of hyaluronidase was observed for JUV. Conclusion: Time-lapse microscopy enables systematically, standardized, comparative in vitro analyses of the interactions of hyaluronidase and HA-fillers.

Original languageEnglish (US)
Article number37
JournalEuropean Journal of Medical Research
Volume23
Issue number1
DOIs
StatePublished - Aug 20 2018

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Hyaluronoglucosaminidase
Hyaluronic Acid
In Vitro Techniques
Off-Label Use
Video Microscopy
Computer-Assisted Image Processing
Local Anesthesia
Lidocaine
Fluorescent Dyes
Microscopy
Fluorescence

ASJC Scopus subject areas

  • Medicine(all)

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Standardized in vitro analysis of the degradability of hyaluronic acid fillers by hyaluronidase. / Buhren, Bettina Alexandra; Schrumpf, Holger; Bölke, Edwin; Kammers, Kai; Gerber, Peter Arne.

In: European Journal of Medical Research, Vol. 23, No. 1, 37, 20.08.2018.

Research output: Contribution to journalArticle

Buhren, Bettina Alexandra ; Schrumpf, Holger ; Bölke, Edwin ; Kammers, Kai ; Gerber, Peter Arne. / Standardized in vitro analysis of the degradability of hyaluronic acid fillers by hyaluronidase. In: European Journal of Medical Research. 2018 ; Vol. 23, No. 1.
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